Fault Location for Interline Fault of Parallel Transmission Lines Using One-terminal Data

被引：0
|
作者：
Xu, Gang [1 ]
Yu, Sheng [1 ]
Xu, Zhenyu [2 ]
机构：
[1] North China Elect Power Univ, Dept Elect Engn, Beijing, Peoples R China
[2] Sifang Protect Automatizat Corp, Beijing, Peoples R China
来源：
2009 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC), VOLS 1-7 | 2009年
关键词：
Fault currents; fault location; interline fault; load currents; parallel transmission lines; power system faults; six-component algorithm; source impedance; transition resistance; zero-sequence mutual;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
To solve the problem of Interline fault of parallel transmission lines, by means of considering the influence of zero sequence mutual inductance of parallel transmission lines a fault location algorithm based on one-terminal electrical data is proposed. Based on the analysis of the relationship of two parallel transmission lines' fault components, the fault location equation for interline fault without ground is derived by the boundary condition of interline fault mode. It is shown that the new method is independent of fault resistance, load condition and source impedance. Extensive simulation studies using PSCAD/EMTDC have verified that this approach can obtain a highly accurate fault distance, it is also proved that the proposed algorithm is independent of transition resistance, system impedance and load situation.
引用
收藏
页码：2014 / +
页数：2
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